Fizikadan 9 sinflar uchun I chorak oraliq nazorat

Fizikadan 9 - sinflar uchun I chorak oraliq nazorat
TEST SAVOLLARI
Sinf ____ sana ____ F.I. _______________________________________________________

1. Moddalarning tuzilishi haqidagi dastlabki tasavvurlar birinchi kimga tegishli edi?
A) Nyutonga B) Galileyga
C) Arximedga D) Demokritga
2. Massasi 1 g bo’lgan suv tomchisidagi molekulalar sonini toping. Molekulalar hajmi 3*10^-8 sm³ deb oling.
A) 3.7*10²⁰ B) 3.7*10²¹
C) 3.7*10²² D) 3.7*10²³
3. Modda miqdorining birligini to’g’ri toping.
A) 1/mol B) mol*K C) mol D) K
4. Avagadro doimiysi nechaga teng?
A) N_a=6.023*10²³ 1/mol B) N_a=6.023*10^-23 mol
C) N_a=6.023*10^-23 1/mol D)N_a=6.023*10²³ J/K
5. Haroratning Kelvin shkalasi bo’yicha olingan 150 K qiymatiga Selsiy shkalasidagi qanday qiymat mos keladi? A) -273 ^oC B) -123 ^oC
C) 273 ^oC D) 123 ^oC
6. x=2E/3k ifodada x qanday kattalik?
A) bosim b) molekulalarining o’rtacha tezligi
C) absolyut temperature D) ichki energiya
7. 6 mol geliyning massasi nimaga teng?
A) 20 g b) 21g C) 23 g D) 24g
8. 5 mol kislorodning massasini toping.
A) 16 g B) 32 g C) 160 g D) 320g
9. 16 g kislorod moddasining miqdorini (mol) aniqlang.
A) 32 B) 16 C) 8 D) 0.5
10. Hajmi 0.05 m3, temperaturasi 500 K bo’lgan gazning bosimi 166 kPa. Modda miqdorini aniqlang (mol).
A) 1 B) 2 C) 3 D) 4
11. 0.3 g li suv tomchisida qancha suv molekulasi bor? N_a=6*10²³ 1/mol
A) 3*10²² B) 2*10²²
C) 2*10²³ D) 1.8*10²³